abigaleschwartz
20.01.2020 •
Mathematics
How many combinations are possible with 10 initial choices and 5 decisions to make if repetition is allowed?
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Ответ:
The correct option is (A) (2, 6).
Step-by-step explanation: We are given to use the substitution method to solve the following system of equations :
Substituting the value of y from equation (ii) in equation (i), we get
Again, from equation (ii), we get
Thus, the required solution of the given system of equations is (x, y) = (2, 6).
Option (A) is CORRECT.